700     uptr old_func, uptr new_func, uptr *orig_old_func) {  in OverrideFunctionWithDetour()  argument
704   uptr header = (uptr)old_func - kDetourHeaderLen;  in OverrideFunctionWithDetour()
708   if (*(u16*)old_func != kDetourInstruction ||  in OverrideFunctionWithDetour()
721   WriteShortJumpInstruction(old_func, header);  in OverrideFunctionWithDetour()
728     *orig_old_func = old_func + kShortJumpInstructionLength;  in OverrideFunctionWithDetour()
735     uptr old_func, uptr new_func, uptr *orig_old_func) {  in OverrideFunctionWithRedirectJump()  argument
737   if (*(u8*)old_func != 0xE9)  in OverrideFunctionWithRedirectJump()
741     uptr relative_offset = *(u32*)(old_func + 1);  in OverrideFunctionWithRedirectJump()
742     uptr absolute_target = old_func + relative_offset + kJumpInstructionLength;  in OverrideFunctionWithRedirectJump()
748   uptr trampoline = AllocateMemoryForTrampoline(old_func, kDirectBranchLength);  in OverrideFunctionWithRedirectJump()
756   if (!ChangeMemoryProtection(old_func, kJumpInstructionLength, &protection))  in OverrideFunctionWithRedirectJump()
760   WriteJumpInstruction(old_func, FIRST_32_SECOND_64(new_func, trampoline));  in OverrideFunctionWithRedirectJump()
763   if (!RestoreMemoryProtection(old_func, kJumpInstructionLength, protection))  in OverrideFunctionWithRedirectJump()
770     uptr old_func, uptr new_func, uptr *orig_old_func) {  in OverrideFunctionWithHotPatch()  argument
773   uptr header = (uptr)old_func - kHotPatchHeaderLen;  in OverrideFunctionWithHotPatch()
777   size_t instruction_size = GetInstructionSize(old_func);  in OverrideFunctionWithHotPatch()
779       !FunctionHasPadding(old_func, kHotPatchHeaderLen))  in OverrideFunctionWithHotPatch()
785     uptr trampoline = AllocateMemoryForTrampoline(old_func, trampoline_length);  in OverrideFunctionWithHotPatch()
788     if (!CopyInstructions(trampoline, old_func, instruction_size))  in OverrideFunctionWithHotPatch()
791                       old_func + instruction_size);  in OverrideFunctionWithHotPatch()
798   indirect_address = AllocateMemoryForTrampoline(old_func, kAddressLength);  in OverrideFunctionWithHotPatch()
810   WriteShortJumpInstruction(old_func, header);  in OverrideFunctionWithHotPatch()
820     uptr old_func, uptr new_func, uptr *orig_old_func) {  in OverrideFunctionWithTrampoline()  argument
829     instructions_length = RoundUpToInstrBoundary(kBranchLength, old_func);  in OverrideFunctionWithTrampoline()
835     uptr trampoline = AllocateMemoryForTrampoline(old_func, trampoline_length);  in OverrideFunctionWithTrampoline()
838     if (!CopyInstructions(trampoline, old_func, instructions_length))  in OverrideFunctionWithTrampoline()
841                       old_func + instructions_length);  in OverrideFunctionWithTrampoline()
848   if (IsMemoryPadding(old_func - kAddressLength, kAddressLength)) {  in OverrideFunctionWithTrampoline()
849     indirect_address = old_func - kAddressLength;  in OverrideFunctionWithTrampoline()
852     indirect_address = AllocateMemoryForTrampoline(old_func, kAddressLength);  in OverrideFunctionWithTrampoline()
859   uptr patch_address = old_func - padding_length;  in OverrideFunctionWithTrampoline()
866   WriteBranch(old_func, indirect_address, new_func);  in OverrideFunctionWithTrampoline()
876     uptr old_func, uptr new_func, uptr *orig_old_func) {  in OverrideFunction()  argument
878   if (OverrideFunctionWithDetour(old_func, new_func, orig_old_func))  in OverrideFunction()
881   if (OverrideFunctionWithRedirectJump(old_func, new_func, orig_old_func))  in OverrideFunction()
883   if (OverrideFunctionWithHotPatch(old_func, new_func, orig_old_func))  in OverrideFunction()
885   if (OverrideFunctionWithTrampoline(old_func, new_func, orig_old_func))  in OverrideFunction()